Anti-sliding buffering and intercepting device for coal mine inclined drift transportation

Abstract

The utility model relates to the technical field of mine construction, in particular to a coal mine inclined drift transportation anti-sliding buffering and intercepting device which comprises a support seat, a buffering and intercepting structure is fixedly installed on the side wall of the support seat and comprises a first installation plate, and step grooves are symmetrically formed in the first installation plate. By arranging the buffering and intercepting structure, impact kinetic energy is converted into mechanical deformation energy through a multi-connecting-rod structure composed of a first connecting rod, a shear-fork-shaped connecting rod set and a second connecting rod, the buffering stroke can be increased, and meanwhile the buffering effect is improved. When the first connecting rod, the scissor-fork-shaped connecting rod set and the second connecting rod move, the first connecting rod generates radial force to enable an inner ring of the damping bearing to rotate, then part of damping force can be increased on the basis that buffering is completed, the buffering effect is improved, peak bounce can be avoided, the interception effectiveness is guaranteed, and the service life of the damping bearing is prolonged. And the integrity of the mine car body structure is furthest protected.

Description

Technical Field

[0001] This utility model relates to the field of mine construction technology, and in particular to a buffer and interception device for preventing runaway vehicles in coal mine inclined roadway transportation. Background Technology

[0002] Runaway vehicle buffer interception devices, also known as runaway vehicle prevention devices or inclined shaft runaway vehicle prevention devices, are indispensable key safety equipment in the hoisting and transportation process of coal mines. These devices are installed in the inclined shafts of coal mines and effectively intercept out-of-control vehicles through their own design mechanism, greatly reducing the casualties and property losses that may be caused by runaway vehicle accidents, and building a solid safety line for inclined shaft transportation.

[0003] A search of Chinese patent publication number "CN218805829U" reveals "A Runaway Mine Protection Device for Inclined Shafts in Mines." This device utilizes a runaway mine protection mechanism installed within a gantry. When monitoring equipment detects a runaway mine accident in the inclined shaft, the output of an electric push rod pulls down, causing a side block to move a baffle downwards within the gantry. As a mine car passes through the gantry, it impacts a buffer plate at the front of the baffle. The buffer plate gradually changes from an inclined to a vertical position after the impact, altering the angle between the buffer rod and the baffle. Simultaneously, the buffer spring on the fixed rod undergoes compression deformation, effectively buffering the impact force generated by the mine car collision. This buffering and interception of the mine car effectively prevents runaway mine accidents and ensures that the runaway mine protection mechanism is not damaged after intercepting the mine car, thus avoiding the problem of maintenance issues affecting work efficiency.

[0004] Based on the above search and existing technology, it was found that the above patent has certain defects. When the device buffers the mine car, it mainly uses the rotation angle of the buffer plate and the reset effect of the buffer spring to achieve the buffering effect. Therefore, it lacks a certain buffer stroke. When the mine car is moving at a high speed, the instantaneous pressure on the contact surface is too large, which can cause damage to the mine car. Its practicality is insufficient and needs to be improved. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a buffer and interception device for preventing runaway vehicles in coal mine inclined roadways, which solves the technical problem of insufficient practicality of existing devices.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution:

[0009] A buffer and interception device for preventing runaway vehicles in coal mine inclined shaft transportation includes a support base;

[0010] A buffer interception structure is fixedly installed on the side wall of the bracket base;

[0011] The buffer interception structure includes a first mounting plate, with stepped grooves symmetrically formed inside the first mounting plate. Damping bearings are symmetrically arranged inside each of the two stepped grooves, and first connecting rods are arranged inside each of the two stepped grooves. Both first connecting rods are fixedly installed to the inner ring of the damping bearings, and the outer ring of each damping bearing is fixedly installed to the inner wall of the stepped groove. A scissor-shaped connecting rod assembly is rotatably installed between the two first connecting rods. A second mounting plate is provided on the side wall of the support base, with second connecting rods symmetrically and rotatably installed inside the second mounting plate. Both second connecting rods are rotatably installed to the scissor-shaped connecting rod assembly.

[0012] Preferably, the second connecting rod has an impact plate on its side wall, the impact plate has anti-collision sponge on its side wall, a fixing block is fixedly installed at the lower end of the impact plate, and a rail wheel is installed inside the fixing block.

[0013] Preferably, a fixed bracket is fixedly installed on the inner side of the bracket base, and a damping rod is fixedly installed on the inner side of the fixed bracket. The piston rod of the damping rod is fixedly installed with the second mounting plate.

[0014] (III) Beneficial Effects

[0015] Firstly, by setting up a buffer interception structure, a multi-link structure consisting of a first connecting rod, a scissor-shaped connecting rod group, and a second connecting rod is adopted to convert the impact kinetic energy into mechanical deformation energy, which can increase the buffer stroke. At the same time, when the first connecting rod, the scissor-shaped connecting rod group, and the second connecting rod move, the first connecting rod will generate a radial force to make the inner ring of the damping bearing rotate. This can add some damping force on the basis of completing the buffer, further improving the buffering effect, thereby avoiding the generation of peak rebound force. This ensures the effectiveness of interception and maximizes the protection of the integrity of the mine car body structure, avoiding deformation.

[0016] Secondly, by setting rail wheels, when the mine car hits the anti-collision foam, the anti-collision foam generates a radial force in the direction of the support seat, causing the impact plate to push the second mounting plate to move to one side of the support seat, thereby driving the rail wheels on the fixed block to slide on the inclined track, thus increasing the additional limit and ensuring the movement range of the buffer interception structure. Attached Figure Description

[0017] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0018] Figure 1This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a three-dimensional exploded view of the structure of this utility model.

[0020] Figure 3 This is an exploded view of the second mounting plate connection of this utility model;

[0021] Figure 4 This is a cross-sectional view of the first mounting plate of this utility model.

[0022] Legend: 11. Bracket base; 12. First mounting plate; 13. Stepped groove; 14. Damping bearing; 15. First connecting rod; 16. Scissor-type connecting rod assembly; 17. Second mounting plate; 18. Second connecting rod; 19. Impact plate; 21. Anti-collision sponge; 22. Fixing block; 23. Railcar wheel; 24. Fixed bracket; 25. Damping rod. Detailed Implementation

[0023] This application provides a buffer interception device for preventing runaway vehicles in coal mine inclined roadways, effectively solving the technical problem of insufficient practicality of existing devices. By setting up a buffer interception structure, a multi-link structure composed of a first connecting rod, a scissor-shaped connecting rod group, and a second connecting rod is adopted to convert impact kinetic energy into mechanical deformation energy, which can increase the buffer stroke. At the same time, when the first connecting rod, the scissor-shaped connecting rod group, and the second connecting rod move, the first connecting rod will generate a radial force to make the inner ring of the damping bearing rotate, thereby adding a damping force on the basis of buffering, further improving the buffering effect, thus avoiding the generation of peak rebound force, ensuring the interception effectiveness, and maximizing the protection of the integrity of the mine car body structure to avoid deformation. In addition, by setting up rail wheels, when the mine car hits the anti-collision foam, the anti-collision foam generates a radial force in the direction of the support seat, causing the impact plate to push the second mounting plate to move to one side of the support seat, thereby driving the rail wheels on the fixed block to slide on the inclined track, thereby adding additional limits and ensuring the movement range of the buffer interception structure.

[0024] Example

[0025] like Figure 1 - Figure 4 As shown, the technical solution in this application embodiment effectively solves the technical problem of insufficient practicality of existing devices. The overall idea is as follows:

[0026] To address the problems existing in the prior art, this utility model provides a buffer and interception device for preventing runaway vehicles in coal mine inclined roadway transportation, including a support base 11;

[0027] A buffer interception structure is fixedly installed on the side wall of the bracket 11;

[0028] The buffer interception structure includes a first mounting plate 12, with stepped grooves 13 symmetrically opened inside the first mounting plate 12. Damping bearings 14 are symmetrically arranged inside each of the two stepped grooves 13. First connecting rods 15 are arranged inside each of the two stepped grooves 13. The two first connecting rods 15 are fixedly installed with the inner ring of the damping bearing 14. The outer ring of each damping bearing 14 is fixedly installed with the inner wall of the stepped groove 13. A scissor-shaped connecting rod assembly 16 is rotatably installed between the two first connecting rods 15 (the connection between the scissor-shaped connecting rod assembly 16, the first connecting rod 15, and the second mounting plate 17 is existing technology and is relatively common and mature, so it will not be described in detail). A second mounting plate 17 is provided on the side wall of the bracket base 11. Second connecting rods 18 are symmetrically rotatably installed inside the second mounting plate 17. The two second connecting rods 18 are rotatably installed with the scissor-shaped connecting rod assembly 16.

[0029] By setting up a buffer interception structure, a multi-link structure consisting of a first connecting link 15, a scissor-shaped link group 16, and a second connecting link 18 is adopted to convert impact kinetic energy into mechanical deformation energy, which can increase the buffer stroke. At the same time, when the first connecting link 15, the scissor-shaped link group 16, and the second connecting link 18 move, the first connecting link 15 will generate a radial force to make the inner ring of the damping bearing 14 rotate. This can add some damping force on the basis of completing the buffer, further improving the buffering effect, thereby avoiding the generation of peak rebound force, ensuring the effectiveness of interception, and maximizing the protection of the integrity of the mine car body structure to avoid deformation.

[0030] The second connecting rod 18 has an impact plate 19 on its side wall, and an anti-collision sponge 21 on the side wall of the impact plate 19. A fixing block 22 is fixedly installed at the lower end of the impact plate 19, and a rail wheel 23 is installed inside the fixing block 22.

[0031] By setting the rail wheels 23, when the mine car hits the anti-collision foam 21, the anti-collision foam 21 generates a radial force in the direction of the support seat 11, causing the impact plate 19 to push the second mounting plate 17 to move towards one side of the support seat 11, thereby driving the rail wheels 23 on the fixed block 22 to slide on the inclined track, thereby increasing the additional limit and ensuring the movement range of the buffer interception structure.

[0032] A fixed bracket 24 is fixedly installed on the inner side of the bracket base 11, and a damping rod 25 is fixedly installed on the inner side of the fixed bracket 24. The piston rod of the damping rod 25 is fixedly installed with the second mounting plate 17.

[0033] By setting up a damping rod 25 and installing it with the second mounting plate 17, when the mine car impacts the second mounting plate 17 and moves, it will actively push the piston rod of the damping rod 25, thereby causing the damping rod 25 to generate damping force, suppressing the impact kinetic energy of the mine car and improving reliability. At the same time, the piston rod of the damping rod 25 will gradually return to its original position after the kinetic energy is dissipated, which is convenient to use and improves convenience.

[0034] Working principle:

[0035] The first step is that when the mine car is sliding on the inclined track and is about to reach the designated position, the mine car will hit the anti-collision sponge 21, which will cause the anti-collision sponge 21 to generate a radial force in the direction of the support seat 11, causing the impact plate 19 to push the second mounting plate 17 to move towards one side of the support seat 11.

[0036] In the second step, when the impact plate 19 moves, it will cause the rail wheel 23 on the fixed block 22 to slide on the inclined track. The second connecting rod 18, the scissor-shaped connecting rod group 16 and the first connecting rod 15 will actively compress and push the piston rod of the damping rod 25, thereby causing the damping rod 25 to generate damping force for buffering and interception. At the same time, when the first connecting rod 15 rotates, it will generate radial force to make the inner ring of the damping bearing 14 rotate, thereby further improving the damping and buffering effect.

[0037] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A coal mine inclined roadway transportation anti-run buffer interception device, comprising a support seat (11), characterized in that; The support seat (11) is fixedly installed with a buffer interception structure on the side wall; The buffer interception structure comprises a first mounting plate (12), the inside of the first mounting plate (12) is symmetrically provided with a stepped groove (13), two damping bearings (14) are symmetrically arranged in the two stepped grooves (13), a first connecting rod (15) is arranged in each of the two stepped grooves (13), and the inner ring of the damping bearing (14) is fixedly installed with the first connecting rod (15). Wherein, the outer ring of each damping bearing (14) is fixedly installed with the inner wall of the stepped groove (13), and a scissor linkage (16) is rotatably installed between the two first connecting rods (15).

2. The coal mine inclined roadway transportation anti-running buffer blocking device according to claim 1, characterized in that, The support seat (11) is provided with a second mounting plate (17) on the side wall; Wherein, the second mounting plate (17) is symmetrically rotatably installed with a second connecting rod (18) inside.

3. The coal mine inclined roadway transportation anti-running buffer blocking device according to claim 2, characterized in that, Two second connecting rods (18) are rotatably installed with the scissor linkage (16); Wherein, the side wall of the second connecting rod (18) is provided with an impact plate (19).

4. The coal mine inclined roadway transportation anti-running buffer blocking device according to claim 3, characterized in that, The side wall of the impact plate (19) is provided with a collision sponge (21); Wherein, the lower end of the impact plate (19) is fixedly installed with a fixed block (22).

5. The coal mine inclined roadway transportation anti-running buffer blocking device according to claim 4, characterized in that, The inside of the fixed block (22) is provided with a rail car wheel (23); Wherein, the inside of the support seat (11) is fixedly installed with a fixed support (24).

6. The coal mine inclined roadway transportation anti-running buffer blocking device according to claim 5, characterized in that, The inside of the fixed support (24) is fixedly installed with a damping rod (25); Wherein, the piston rod of the damping rod (25) is fixedly installed with the second mounting plate (17).

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